This is a division problem involving fractions.
57 / (3/4)
57 * (4/3) =
128/3 = 76 pieces of wire
You divide the number of kilometers by 0.621371 to get the number of miles per hour. I hope this helped!
For example fill ur bathtub full of water. then lay down in the tub the water leaving the tub is the force acting back.
0,3,6,9,12,15,18,21,24,27,30,33,36
0,12,24,36